These are samples that have high-resolution (one degree step) spin movies, in which the sample is shown rotating on a turntable, completing one revolution every 12 seconds (360 frames at 30 frames per second). These movies were made with one of several custom-built high-precision turntables: Because some of them are very small, tight tollerances are required to avoid wobble and vibration. Here is a picture of the rotation studio as it appeared in late 2004. The images were taken one every 5 seconds using a Canon 20D digital SLR. To make downloading practical the movies are shown at 400x600 resolution, but the original 8 megapixel images (about 750MB per sample) are available on special request. To get to the movie, click the turntable icon on the right of each sample line: This will take you to a 72-step QuickTime VR version. Underneath that will be a link taking you to the 360-step movie loop.
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Text and images Copyright (c) 2010 by Theodore W. Gray.